Product Description
This Metra 40-GM21 adapter lets you connect an aftermarket antenna to your compatible 1998-2008 GM vehicle's factory-installed radio. Copper, polypropylene and steel materials and copper shielding provide durability.Other Details
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Custom Field
Model Number 40-GM21
Product Width 2 inches
Product Height 0.5 inches
Vehicle Compatibility GM
Manufacturer's Warranty - Labor 1 year
Color Category Black
Product Weight 0.04 pounds
Product Name Antenna Adapter for Most 1998-2008 GM Vehicles
Manufacturer's Warranty - Parts 1 year
Brand Metra
Product Length 0.5 inches
Color Black
avgReview 4.5
reviewCount 39
